That, or get the slabs slabbed to certify that they are not tampered with (like the new ANACS slabs) or counterfeit, but then the slab's slabs...
Roy: " Precious metals (silver, gold, platinum, etc.) are measured by troy weight: * 480 grains - 1 oz. * 12 oz. = 1 lb. = 5,760 grains...
I agree with Frank. But, it is slightly possible that the 1989 D is a repunched mintmark. If so, it is a nice one. Most likely not, there is...
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